Lactose intolerance in adults is related to

Select the incorrect statement regarding jaundice.

Given below are two statements.
Statement $I$: Fat-soluble bilirubin is toxic to brain cells.
Statement $II$: Yellowness of the conjunctiva of eyes and skin,whitish stool,etc.,are some of the symptoms of jaundice.

The abnormal frequent movement of the bowel and increased liquidity of the faeces is called:

$A$ : In acute constipation,purgatives containing magnesium salts are generally used.
$R$ : The osmotic effect of $Mg^{2+}$ in the intestinal lumen prevents water reabsorption from the intestine. $Mg^{2+}$ increases the solute concentration in the intestinal lumen because $Mg^{2+}$ is absorbed very slowly.

Prolonged constipation may cause: